wg(8) and wg-quick(8) syntax highlighter library
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highlighter.c contains a simple portable highlighter for the wg(8) and
wg-quick(8) configuration files. Simply copy `highlight.c` and
`highlight.h` into your project wholesale.
As a demo, a simple console highlighter program is included, alongside a
simple Qt5 GUI app to show its usage in realtime.
There is also a basic fuzzer, because why not?
Usage:
$ make
$ ./highlight < path/to/tunnel.conf
$ make gui
$ ./gui/highlight
$ make fuzz
$ ./fuzz -workers=$(nproc) -jobs=$(nproc) ./corpus
7f236c7957